Cephem derivatives and antibacterial agents comprising said compounds
US4352801A · kind A · utility
1Cited by
1References
5Claims
0Family size
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Key dates
| Filing date | Dec 19, 1980 |
| Grant date | Oct 5, 1982 |
| Priority date | — |
| Expiry date | Dec 19, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Cephem derivatives represented by the formula: ##STR1## wherein R.sub.1 represents a hydrogen atom or a hydroxyl group, R.sub.2 represents a lower alkyl group or a chloro-substituted lower alkyl group, and R.sub.3 represents a lower alkanoyloxy group or a nitrogen-containing heterocyclic thio group, and the pharmaceutically acceptable salts thereof. The cephem derivatives exhibit excellent antibacterial activity and are effective against Gram-positive and Gram-negative bacteria.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.